Business Insider reports that the Burger King app will recognize the user’s location as being at a McDonalds and unlock the penny deal. After you place an order for the Whopper, the app will “detour” you away from McDonald’s and navigate you to the closest Burger King so you can pick it up.

Order a Whopper for a penny only “at” McDonald’s with the BK app. yes, you read that right. drive near a McDonald’s and use the BK app. no need to go to their drive-thru. get yours before December 12th.

The deal starts Tuesday and runs through Dec. 12th. For more information see the Burger King website.